package kg.tom;
 
public class MyJni {
    
     public native void display();
     public native double sum(double x,double y);
      
    
    static {
        System.loadLibrary("sum");
    }
     
     
    public static void main(String[] args) {
       
        new MyJni().display();
        System.out.println(new MyJni().sum(2.0, 3.0));
    }
}
